#!/usr/bin/python

import sys
import guestfs

g = guestfs.GuestFS (python_return_dict=True)

for disk in sys.argv[1:]:
    g.add_drive_opts (disk, readonly=1)

g.launch ()

fses = g.list_filesystems ()
for dev in fses:
    try:
        g.mount (dev, "/")
        stats = g.statvfs ("/")
        print "%s, %s\n" % (dev, stats)
    except:
        pass
    g.umount_all ()